/* =====================================================
   ISO/IEC 25010 CHALLENGE - v8
   STYLE.CSS - Hoja de Estilos Unificada y Moderna
   Soporte para Modo Claro, Modo Oscuro, Responsive y Print
===================================================== */

:root {
  --primary: #176b87;
  --primary-dark: #123a5a;
  --primary-light: #dceff5;
  --secondary: #e26436;
  --secondary-light: #fff0e9;

  --background: #f3f7f9;
  --card-bg: #ffffff;
  --card-border: #dbe5ea;

  --text: #38505d;
  --heading: #123047;
  --muted: #607785;

  --success: #16a34a;
  --success-light: #dcfce7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --warning: #d97706;
  --warning-light: #fef3c7;

  --alto: #b91c1c;
  --medio: #b45309;
  --bajo: #15803d;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.07);
}

/* Modo Oscuro */
body.dark-theme {
  --background: #121214;
  --card-bg: #1c1c21;
  --card-border: #2e2e38;

  --text: #d4d4d8;
  --heading: #fafafa;
  --muted: #a1a1aa;

  --primary-light: rgba(15, 118, 110, 0.25);
  --secondary-light: rgba(194, 65, 12, 0.25);
  --success-light: rgba(22, 163, 74, 0.2);
  --danger-light: rgba(220, 38, 38, 0.2);
  --warning-light: rgba(217, 119, 6, 0.2);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.25s, color 0.25s;
}

h1, h2, h3, h4 {
  color: var(--heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* =========================================
   CABECERA (HEADER)
========================================= */
.header {
  height: 76px;
  background: var(--card-bg);
  border-bottom: 1.5px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}

.logo h1 {
  font-size: 1.25rem;
  line-height: 1.1;
}

.logo span {
  font-size: 0.75rem;
  color: var(--muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.player-stats {
  display: flex;
  gap: 8px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--background);
  border: 1px solid var(--card-border);
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 0.85rem;
}

.stat strong {
  color: var(--heading);
}

.stat small {
  color: var(--muted);
}

.header-actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  background: var(--background);
  border: 1.5px solid var(--card-border);
  color: var(--heading);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.1s;
}

.icon-btn:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* =========================================
   CONTENEDOR Y PANTALLAS
========================================= */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 30px 20px 80px;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   HERO Y MENÚ PRINCIPAL
========================================= */
.hero {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.hero-content {
  max-width: 600px;
}

.badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero h2 {
  font-size: 2.2rem;
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero h2 span {
  color: var(--primary);
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.hero-graphic .iso-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-md);
}

.iso-circle span {
  font-size: 0.85rem;
  letter-spacing: 2px;
}

.iso-circle strong {
  font-size: 1.8rem;
  line-height: 1;
}

/* Botones principales */
.primary-btn {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 12px 22px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, transform 0.1s;
}

.primary-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.secondary-btn {
  background: var(--card-bg);
  color: var(--heading);
  border: 1.5px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 20px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s;
}

.secondary-btn:hover {
  border-color: var(--primary);
}

.back-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.back-btn:hover {
  color: var(--heading);
}

.sm-btn {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.link-btn {
  background: none;
  border: none;
  color: var(--muted);
  text-decoration: underline;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
}

.link-btn:hover {
  color: var(--heading);
}

/* =========================================
   GRID DE MODOS DE JUEGO
========================================= */
.section-title {
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.mode-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 22px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
}

.mode-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.mode-card.featured {
  border-color: var(--primary);
  background: linear-gradient(to bottom, var(--card-bg), var(--primary-light));
}

.mode-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 14px;
}

.mode-icon.amber { background: #fef3c7; }
.mode-icon.blue { background: #dbeafe; }
.mode-icon.purple { background: #f3e8ff; }
.mode-icon.green { background: #dcfce7; }
.mode-icon.orange { background: #ffedd5; }
.mode-icon.red { background: #fee2e2; }
.mode-icon.teal { background: #ccfbf1; }

.mode-card h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.mode-card p {
  color: var(--muted);
  font-size: 0.9rem;
  flex-grow: 1;
  margin-bottom: 14px;
}

.mode-card button {
  background: transparent;
  border: none;
  color: var(--primary);
  font: inherit;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

/* =========================================
   PROGRESO Y REPASO (HOME)
========================================= */
.progress-section {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
}

.review-banner-box {
  background: var(--primary-light);
  border: 1.5px solid var(--primary);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: transform 0.15s;
}

.review-banner-box:hover {
  transform: translateY(-2px);
}

.review-banner-icon {
  font-size: 2rem;
}

.review-banner-text {
  flex-grow: 1;
}

.review-banner-text h4 {
  font-size: 1.1rem;
  margin-bottom: 2px;
}

.review-banner-text p {
  font-size: 0.9rem;
  color: var(--text);
  margin: 0;
}

.mastery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.m-row {
  display: grid;
  grid-template-columns: 1fr 90px 50px;
  gap: 10px;
  align-items: center;
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  color: var(--text);
  text-align: left;
  transition: border-color 0.15s;
}

.m-row:hover {
  border-color: var(--primary);
}

.m-bar {
  background: #e7e5e4;
  border-radius: 99px;
  height: 8px;
  overflow: hidden;
  display: block;
}

body.dark-theme .m-bar {
  background: #3f3f46;
}

.m-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
}

.m-bar i.hi { background: var(--bajo); }
.m-bar i.mid { background: var(--medio); }
.m-bar i.lo { background: var(--alto); }

/* =========================================
   DETECTIVE DE DEFECTOS
========================================= */
.det-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  max-width: 860px;
  margin: 0 auto;
}

.det-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.det-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.det-counter {
  font-weight: 700;
  color: var(--muted);
  font-size: 0.95rem;
}

.tag-sector {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}

.tag-banca { background: #dbeafe; color: #1e40af; }
.tag-salud { background: #fce7f3; color: #9d174d; }
.tag-educación, .tag-educacion { background: #fef3c7; color: #92400e; }
.tag-comercio { background: #dcfce7; color: #166534; }
.tag-logística, .tag-logistica { background: #ffedd5; color: #9a3412; }

.tag-dual {
  background: #fee2e2;
  color: #991b1b;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}

.steps {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.steps span {
  padding: 5px 10px;
  border-radius: 99px;
  background: var(--background);
  border: 1px solid var(--card-border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.steps span.now {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.steps span.done {
  background: var(--success-light);
  border-color: var(--success);
  color: var(--success);
}

.det-ctx {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
}

.report {
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  padding: 20px;
  font-size: 1.15rem;
  line-height: 2;
  margin-bottom: 20px;
}

.pick {
  cursor: pointer;
  border-bottom: 2px dashed var(--primary);
  padding: 2px 4px;
  border-radius: 4px;
  transition: background 0.15s, border-color 0.15s;
}

.pick:hover {
  background: var(--primary-light);
}

.pick.hit {
  background: var(--success-light);
  border-bottom: 2px solid var(--success);
  color: var(--success);
  font-weight: 700;
}

.pick.miss {
  background: var(--danger-light);
  border-bottom: 2px solid var(--danger);
  color: var(--danger);
}

.pick.off {
  pointer-events: none;
}

.d-instruction {
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.opts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.opt-btn {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
  font: inherit;
  font-weight: 600;
  color: var(--heading);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}

.opt-btn:hover {
  border-color: var(--primary);
}

.opt-btn.ok {
  background: var(--success-light);
  border-color: var(--success);
  color: var(--success);
}

.opt-btn.no {
  background: var(--danger-light);
  border-color: var(--danger);
  color: var(--danger);
}

.sev {
  grid-template-columns: repeat(3, 1fr);
}

.sev .opt-btn {
  text-align: center;
  font-size: 1.1rem;
}

.sev-guide {
  background: var(--background);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 14px;
}

/* Matriz de gravedad QA */
.matrix-toggle-btn {
  background: var(--background);
  border: 1px solid var(--card-border);
  color: var(--primary);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.matrix-box {
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  padding: 18px;
  margin-top: 12px;
}

.matrix-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.chip {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--heading);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.chip.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.matrix-result-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--card-border);
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.85rem;
  color: white;
}

.tag.Alto { background: var(--alto); }
.tag.Medio { background: var(--medio); }
.tag.Bajo { background: var(--bajo); }

.verdict {
  background: var(--primary-light);
  border: 1.5px solid var(--primary);
  border-radius: 14px;
  padding: 18px;
  margin-top: 20px;
  line-height: 1.6;
}

.verdict-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.verdict-why {
  margin-top: 8px;
  color: var(--heading);
}

.next-case-btn {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

/* =========================================
   MAPA VISUAL INTERACTIVO
========================================= */
.map-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.map-legend {
  display: flex;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
}

.dot.hi { background: var(--bajo); }
.dot.mid { background: var(--medio); }
.dot.lo { background: var(--alto); }
.dot.no-data { background: #a1a1aa; }

.map-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px;
}

.map-node {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
  display: flex;
  flex-direction: column;
}

.map-node:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.map-node.hi { border-left: 6px solid var(--bajo); }
.map-node.mid { border-left: 6px solid var(--medio); }
.map-node.lo { border-left: 6px solid var(--alto); }
.map-node.no-data { border-left: 6px solid #a1a1aa; }

.map-node-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.map-node-icon {
  font-size: 1.8rem;
}

.map-node-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
}

.map-node-badge.hi { background: var(--success-light); color: var(--success); }
.map-node-badge.mid { background: var(--warning-light); color: var(--warning); }
.map-node-badge.lo { background: var(--danger-light); color: var(--danger); }
.map-node-badge.no-data { background: var(--background); color: var(--muted); }

.map-node-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.map-node-desc {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 12px;
  flex-grow: 1;
}

.map-node-subtags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 14px;
}

.subtag {
  background: var(--background);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text);
}

.map-node-action {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

/* Modales */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.modal-overlay.hidden {
  display: none;
}

.modal-box {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-md);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--background);
  border: none;
  font-size: 1.2rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--heading);
}

.modal-header {
  display: flex;
  gap: 16px;
  align-items: center;
}

.modal-icon {
  font-size: 2.4rem;
}

.modal-sublist {
  display: grid;
  gap: 12px;
}

.modal-subcard {
  background: var(--background);
  border-radius: 12px;
  padding: 14px;
}

.modal-subcard p {
  font-size: 0.9rem;
  margin: 4px 0 8px;
}

/* Conceptos y analogías */
.concept {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 16px;
  padding: 20px;
  display: grid;
  gap: 12px;
}

.concept .simple {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--heading);
}

.concept .analogy {
  background: var(--warning-light);
  border-radius: 10px;
  padding: 12px 14px;
  border-left: 4px solid var(--warning);
  font-size: 0.95rem;
  color: #78350f;
}

body.dark-theme .concept .analogy {
  color: #fde68a;
}

.concept .ask {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
}

/* =========================================
   MINIJUEGO DE EMPAREJAR (MATCHING)
========================================= */
.match-arena {
  max-width: 860px;
  margin: 0 auto;
}

.match-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.match-mode-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.match-header-info {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.match-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.match-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.col-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 1px;
}

.match-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--heading);
  cursor: pointer;
  user-select: none;
  min-height: 64px;
  display: flex;
  align-items: center;
  transition: transform 0.1s, border-color 0.15s, background 0.15s;
}

.match-card:hover {
  border-color: var(--primary);
}

.match-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: scale(1.02);
}

.match-card.paired {
  border-color: var(--success);
  background: var(--success-light);
  color: var(--success);
  pointer-events: none;
  opacity: 0.6;
}

.shake-error {
  animation: shake 0.4s ease-in-out;
  border-color: var(--danger) !important;
  background: var(--danger-light) !important;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.match-success-banner {
  margin-top: 24px;
  background: var(--success-light);
  border: 1.5px solid var(--success);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}

/* =========================================
   CASOS CON IMAGEN / MOCKUPS
========================================= */
.mockup-case-container {
  max-width: 860px;
  margin: 0 auto;
}

.mockup-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.mockup-prompt {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 20px;
}

.mockup-viewport {
  position: relative;
  background: #333;
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.mockup-screen {
  background: white;
  color: #111827;
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  position: relative;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.phone-frame {
  max-width: 380px;
  border: 8px solid #222;
  border-radius: 36px;
  overflow: hidden;
}

.phone-statusbar {
  background: #f3f4f6;
  padding: 6px 16px;
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: #4b5563;
}

.phone-app-header {
  background: #0f766e;
  color: white;
  padding: 12px 16px;
  font-weight: 700;
}

.phone-body {
  padding: 16px;
  min-height: 340px;
}

.browser-frame {
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid #e5e7eb;
}

.browser-header {
  background: #e5e7eb;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.browser-dots {
  display: flex;
  gap: 5px;
}

.browser-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #9ca3af;
}

.browser-url {
  background: white;
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.75rem;
  color: #4b5563;
  flex-grow: 1;
}

.hospital-top-nav {
  padding: 16px;
  border-bottom: 1.5px solid #e5e7eb;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.doc-badge {
  display: flex;
  gap: 8px;
  align-items: center;
}

.exposed-pass-box {
  background: #fff1f2;
  border: 1px dashed #f43f5e;
  border-radius: 8px;
  padding: 8px 12px;
}

.hospital-body, .cart-body {
  padding: 20px;
}

.cart-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #f3f4f6;
  font-size: 0.95rem;
}

.cart-total-box {
  margin-top: 18px;
  padding: 14px;
  background: #f8fafc;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.15rem;
  font-weight: 800;
}

.wrong-sum-text {
  color: #dc2626;
  font-size: 1.3rem;
}

.broken-table {
  width: 140%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.broken-table th, .broken-table td {
  border: 1px solid #ddd;
  padding: 6px;
  text-align: left;
}

.mock-btn-danger {
  background: #dc2626;
  color: white;
  width: 100%;
  border: none;
  padding: 14px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
}

.ui-card {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 12px;
}

.hotspots-layer {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  bottom: 20px;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.hotspot {
  position: absolute;
  pointer-events: auto;
  cursor: crosshair;
  border: 2px dashed rgba(220, 38, 38, 0.4);
  border-radius: 8px;
  transition: background 0.15s, border-color 0.15s;
}

.hotspot:hover {
  background: rgba(220, 38, 38, 0.15);
  border-color: #dc2626;
}

.hotspot.defect-hit {
  border: 3px solid #16a34a !important;
  background: rgba(22, 163, 74, 0.25) !important;
}

.mockup-feedback {
  margin-top: 20px;
}

.feedback-box {
  border-radius: var(--radius-md);
  padding: 20px;
}

.feedback-box.success {
  background: var(--success-light);
  border: 1.5px solid var(--success);
  color: var(--heading);
}

.feedback-box.warning {
  background: var(--warning-light);
  border: 1.5px solid var(--warning);
  color: var(--heading);
}

.iso-classification-box {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(0,0,0,0.1);
  font-size: 0.95rem;
}

/* =========================================
   FICHA DE REPORTE DE DEFECTO
========================================= */
.bug-report-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  max-width: 860px;
  margin: 0 auto;
}

.report-header-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.report-scenario-box {
  background: var(--background);
  border-left: 4px solid var(--secondary);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--heading);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  color: var(--heading);
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.matrix-eval-section {
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
}

.calculated-preview {
  margin-top: 10px;
  font-weight: 600;
}

.submit-ticket-btn {
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 1.05rem;
}

.comparison-area {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px dashed var(--card-border);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 18px 0;
}

.comp-col {
  border-radius: 14px;
  padding: 18px;
  font-size: 0.9rem;
}

.comp-col.student-draft {
  background: var(--background);
  border: 1.5px solid var(--card-border);
}

.comp-col.model-draft {
  background: var(--primary-light);
  border: 1.5px solid var(--primary);
}

.comp-col h4 {
  margin-bottom: 12px;
}

.comp-item {
  margin-bottom: 8px;
}

.rubric-box {
  background: var(--background);
  border-radius: 12px;
  padding: 16px;
}

.rubric-box label {
  display: block;
  font-size: 0.9rem;
  margin-top: 8px;
  cursor: pointer;
}

/* =========================================
   INSIGNIAS Y LOGROS
========================================= */
.badges-gallery-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  max-width: 860px;
  margin: 0 auto;
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.badge-item-card {
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  transition: transform 0.15s;
}

.badge-item-card.unlocked {
  background: var(--card-bg);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.badge-item-card.locked {
  background: var(--background);
  opacity: 0.55;
  filter: grayscale(0.8);
}

.badge-item-icon {
  font-size: 2.4rem;
  margin-bottom: 8px;
}

.badge-item-card h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.badge-item-card p {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.badge-item-status {
  font-size: 0.75rem;
  font-weight: 700;
}

/* Notificación flotante de insignia (Toast) */
.badge-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--card-bg);
  border: 2px solid var(--secondary);
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 2000;
  max-width: 360px;
}

.toast-icon {
  font-size: 2.2rem;
}

.animate-slide-up {
  animation: slideUp 0.35s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.fade-out {
  animation: fadeOut 0.4s forwards;
}

@keyframes fadeOut {
  to { opacity: 0; transform: translateY(10px); }
}

/* =========================================
   CERTIFICADO FORMAL DE ALTA RESOLUCIÓN
========================================= */
.cert-screen-controls {
  max-width: 860px;
  margin: 0 auto 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.certificate-sheet {
  background: #ffffff;
  color: #1c1917;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
  padding: 24px;
  border-radius: 12px;
}

.cert-border-outer {
  border: 4px double #0f766e;
  padding: 8px;
}

.cert-border-inner {
  border: 1.5px solid #c2410c;
  padding: 32px 36px;
  text-align: center;
}

.cert-iso-badge {
  display: inline-block;
  background: #0f766e;
  color: white;
  padding: 4px 16px;
  border-radius: 99px;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.cert-header h1 {
  font-size: 2rem;
  color: #134e4a;
  letter-spacing: 1px;
}

.cert-subtitle {
  font-size: 0.95rem;
  font-weight: 700;
  color: #78716c;
  margin-top: 4px;
}

.cert-body {
  margin: 24px 0;
}

.cert-certifies {
  font-size: 1.05rem;
  font-style: italic;
  color: #44403c;
}

.cert-student-name {
  font-size: 2.2rem;
  color: #c2410c;
  margin: 8px 0 14px;
  text-decoration: underline;
  text-underline-offset: 6px;
}

.cert-text {
  max-width: 640px;
  margin: 0 auto 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.cert-level-badge {
  display: inline-block;
  background: #fef3c7;
  color: #92400e;
  padding: 6px 18px;
  border-radius: 99px;
  font-weight: 800;
  font-size: 1.1rem;
}

.cert-breakdown {
  margin: 24px 0;
  background: #fafaf9;
  border: 1px solid #e7e5e4;
  border-radius: 12px;
  padding: 16px 20px;
  text-align: left;
}

.cert-breakdown-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: #78716c;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.cert-bars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.cert-bar-row {
  display: grid;
  grid-template-columns: 140px 1fr 40px;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
}

.cert-bar-track {
  background: #e5e5e5;
  height: 8px;
  border-radius: 99px;
  overflow: hidden;
}

.cert-bar-fill {
  background: #0f766e;
  height: 100%;
}

.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 36px;
  padding: 0 20px;
}

.seal-circle {
  width: 90px;
  height: 90px;
  border: 2px dashed #0f766e;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #0f766e;
}

.seal-circle span { font-size: 0.7rem; font-weight: 700; }
.seal-circle b { font-size: 1.1rem; line-height: 1; }
.seal-circle small { font-size: 0.6rem; letter-spacing: 1px; }

.cert-sign {
  text-align: center;
}

.sign-line {
  width: 200px;
  border-top: 1.5px solid #44403c;
  margin: 0 auto 6px;
}

.cert-sign b {
  display: block;
  font-size: 0.9rem;
}

.cert-sign small {
  color: #78716c;
}

/* =========================================
   PANTALLA DE JUEGO (QUIZ)
========================================= */
.game-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.game-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.progress-container {
  background: var(--card-border);
  border-radius: 99px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-bar {
  background: var(--primary);
  height: 100%;
  width: 0%;
  transition: width 0.3s;
}

.timer-box {
  background: var(--warning-light);
  color: #92400e;
  border-radius: 8px;
  padding: 6px 14px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 16px;
}

.timer-box.hidden { display: none; }

.question-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.question-type {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.question-card h2 {
  font-size: 1.45rem;
  margin-bottom: 8px;
  line-height: 1.35;
}

.question-description {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.answers {
  display: grid;
  gap: 12px;
}

.answer-btn {
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 12px;
  padding: 16px 20px;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--heading);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}

.answer-btn:hover:not(.disabled) {
  border-color: var(--primary);
}

.answer-btn.correct {
  background: var(--success-light);
  border-color: var(--success);
  color: var(--success);
}

.answer-btn.wrong {
  background: var(--danger-light);
  border-color: var(--danger);
  color: var(--danger);
}

.answer-btn.disabled {
  pointer-events: none;
}

.feedback {
  border-radius: 12px;
  padding: 18px;
  margin-top: 20px;
  line-height: 1.6;
}

.feedback.hidden { display: none; }
.feedback.success { background: var(--success-light); border: 1.5px solid var(--success); }
.feedback.error { background: var(--danger-light); border: 1.5px solid var(--danger); }

.next-btn {
  margin-top: 20px;
  width: 100%;
  justify-content: center;
}

.next-btn.hidden { display: none; }

/* =========================================
   PANTALLA DE RESULTADOS
========================================= */
.result-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.result-icon {
  font-size: 3.5rem;
  margin-bottom: 12px;
}

.result-score {
  margin: 24px 0;
}

.result-score strong {
  font-size: 3.5rem;
  color: var(--primary);
  line-height: 1;
}

.result-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 32px;
}

.result-stats strong {
  display: block;
  font-size: 1.6rem;
  color: var(--heading);
}

.result-stats span {
  font-size: 0.85rem;
  color: var(--muted);
}

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =========================================
   MODO APRENDER Y DETALLES
========================================= */
.characteristics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.characteristic-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 22px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.characteristic-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.characteristic-number {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.sub-count {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 12px;
}

.detail-header {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.sub-list {
  display: grid;
  gap: 14px;
}

.sub-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.example {
  background: var(--background);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.9rem;
  margin-top: 10px;
}

/* =========================================
   FOOTER
========================================= */
footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--card-border);
  margin-top: 40px;
}

/* =========================================
   REGLAS PARA IMPRESIÓN (CERTIFICADO)
========================================= */
@media print {
  body {
    background: white !important;
    color: black !important;
  }

  .header, footer, .no-print, .cert-screen-controls, .icon-btn {
    display: none !important;
  }

  .container {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .screen {
    display: none !important;
  }

  #certificateScreen {
    display: block !important;
  }

  .certificate-sheet {
    box-shadow: none !important;
    padding: 0 !important;
    width: 100% !important;
  }

  .cert-border-outer {
    border: 3px double #0f766e !important;
  }

  .cert-border-inner {
    padding: 24px !important;
  }
}

/* =========================================
   RESPONSIVE MÓVIL
========================================= */
@media (max-width: 768px) {
  .header {
    height: auto;
    padding: 12px 16px;
    flex-direction: column;
    gap: 12px;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    flex-direction: column;
    padding: 24px 20px;
    text-align: center;
  }

  .hero h2 {
    font-size: 1.7rem;
  }

  .match-columns {
    grid-template-columns: 1fr;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .cert-bars-grid {
    grid-template-columns: 1fr;
  }

  .cert-footer {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .det-card, .bug-report-card, .badges-gallery-card, .model-guide-card {
    padding: 20px 16px;
  }

  .sev {
    grid-template-columns: 1fr;
  }

  .model-branches-grid {
    grid-template-columns: 1fr;
  }

  .model-char-row {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   GUÍA DEL MODELO ISO 25010 Y PREGUNTAS CLAVE (v5)
========================================= */
.highlight-question-box {
  background: var(--secondary-light);
  border-left: 5px solid var(--secondary);
  border-radius: 12px;
  padding: 18px 22px;
}

.question-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}

.question-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.45;
}

.subcat-question-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.95rem;
  color: var(--heading);
  line-height: 1.4;
}

.subcat-question-box span {
  font-weight: 700;
  color: var(--primary-dark);
}

body.dark-theme .subcat-question-box span {
  color: #5eead4;
}

.question-chip {
  background: var(--secondary-light);
  color: var(--secondary);
  border: 1px solid var(--secondary);
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.35;
}

.model-guide-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 34px;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}

.model-hero h2 {
  font-size: 1.9rem;
  line-height: 1.25;
}

.model-subtitle {
  font-size: 1.05rem;
  color: var(--secondary);
  font-weight: 600;
  margin-top: 6px;
}

.model-section {
  margin-top: 24px;
}

.model-section h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.model-branches-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.model-branch-card {
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.model-branch-card.active-branch {
  border-color: var(--primary);
  background: var(--primary-light);
}

.branch-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.model-branch-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.model-branch-card p {
  font-size: 0.9rem;
  color: var(--text);
  flex-grow: 1;
  margin-bottom: 12px;
}

.branch-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--heading);
  display: inline-block;
}

.model-char-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.model-char-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr auto;
  gap: 16px;
  align-items: center;
  background: var(--background);
  border: 1.5px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 18px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.model-char-row:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.model-char-main {
  display: flex;
  align-items: center;
  gap: 12px;
}

.char-icon {
  font-size: 1.8rem;
}

.char-name {
  font-size: 1rem;
  color: var(--heading);
}

.char-simple {
  font-size: 0.8rem;
  color: var(--muted);
}

.char-question {
  font-size: 0.85rem;
  color: var(--heading);
  line-height: 1.35;
}

.char-arrow {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
}

/* =========================================
   GUÍA ESENCIAL CON PREGUNTAS CLAVE (v5)
========================================= */
.essential-guide-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.essential-guide-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.essential-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.essential-badge {
  background: var(--primary);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
}

.essential-card-header h4 {
  font-size: 1.25rem;
  margin: 0;
}

.essential-concept {
  font-size: 1rem;
  color: var(--heading);
  margin-bottom: 12px;
  line-height: 1.5;
}

.essential-main-q {
  background: var(--secondary-light);
  border-left: 4px solid var(--secondary);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.essential-main-q .q-highlight {
  font-weight: 800;
  color: var(--heading);
}

.essential-subs-list {
  display: grid;
  gap: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--primary-light);
}

.essential-sub-row {
  background: var(--background);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 16px;
}

.sub-desc {
  font-size: 0.95rem;
  color: var(--heading);
  margin-bottom: 6px;
}

.sub-q {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary-dark);
}

body.dark-theme .sub-q {
  color: #5eead4;
}


/* =========================================
   BUSCADOR INTELIGENTE / GLOSARIO DE BOLSILLO (v6)
========================================= */

/* Tarjeta del home del Buscador - color especial */
.glossary-card-home {
  background: linear-gradient(135deg, #0f766e 0%, #134e4a 100%) !important;
  color: white;
  border-color: #0d9488 !important;
}

.glossary-card-home h3,
.glossary-card-home p {
  color: white !important;
}

.glossary-card-home .mode-icon.search-icon {
  background: rgba(255,255,255,0.15) !important;
  color: white !important;
  border: 2px solid rgba(255,255,255,0.3);
}

/* ── Wrapper general de la pantalla ── */
.glossary-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 10px 0 40px;
}

/* ── Hero del buscador ── */
.glossary-hero {
  margin-bottom: 24px;
}

.glossary-hero h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-bottom: 8px;
}

.glossary-hero h2 span {
  color: var(--primary);
}

.glossary-hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ── Caja del campo de búsqueda ── */
.glossary-search-box {
  background: var(--card-bg);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(15, 118, 110, 0.12);
}

.glossary-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.glossary-search-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.glossary-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 1.15rem;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  color: var(--heading);
  outline: none;
  padding: 4px 0;
}

.glossary-input::placeholder {
  color: var(--muted);
  font-size: 1rem;
}

.glossary-clear-btn {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--danger-light);
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  color: var(--danger);
  font-size: 0.85rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s;
}

.glossary-clear-btn:hover {
  background: var(--danger);
  color: white;
}

/* ── Chips de sugerencias rápidas ── */
.glossary-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.chip-label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

.glossary-chip {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid var(--primary);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.85rem;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  cursor: pointer;
  transition: all 0.15s;
  font-weight: 600;
}

.glossary-chip:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-1px);
}

/* ── Área de resultados ── */
.glossary-results {
  min-height: 120px;
}

.glossary-count {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 14px;
  padding-left: 4px;
}

.glossary-count b {
  color: var(--heading);
}

/* ── Cards de resultado ── */
.glossary-cards {
  display: grid;
  gap: 14px;
}

@keyframes glossaryCardIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.glossary-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border-color, var(--card-border));
  border-radius: var(--radius-md);
  overflow: hidden;
  animation: glossaryCardIn 0.28s ease both;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.glossary-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ─ Header de la card ─ */
.glossary-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px 8px;
  gap: 10px;
  flex-wrap: wrap;
}

.glossary-char-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: 20px;
  border: 1.5px solid;
  font-size: 0.88rem;
  font-weight: 700;
}

.glossary-relevance {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
}

/* ─ Cuerpo de la card ─ */
.glossary-card-body {
  padding: 0 16px 12px;
  display: grid;
  gap: 10px;
}

.glossary-subcategory {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--background);
  border-radius: 10px;
  padding: 10px 14px;
}

.glossary-arrow {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.glossary-subcat-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--heading);
  line-height: 1.3;
}

.glossary-rule {
  background: var(--warning-light);
  border-left: 4px solid var(--warning);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.glossary-rule-label {
  font-weight: 700;
  color: var(--warning);
  display: block;
  margin-bottom: 3px;
  font-size: 0.85rem;
}

.glossary-rule-text {
  color: var(--heading);
}

.glossary-example {
  background: var(--success-light);
  border-left: 4px solid var(--success);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.glossary-example-label {
  font-weight: 700;
  color: var(--success);
  display: block;
  margin-bottom: 3px;
  font-size: 0.85rem;
}

.glossary-example-text {
  color: var(--heading);
}

/* ─ Footer de la card ─ */
.glossary-card-footer {
  padding: 10px 16px 14px;
  display: flex;
  justify-content: flex-end;
}

.glossary-explore-btn {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 0.88rem;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

.glossary-explore-btn:hover {
  background: var(--primary);
  color: white;
}

/* ── Estado vacío / sin resultados ── */
.glossary-empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}

.glossary-empty-icon {
  font-size: 3rem;
  margin-bottom: 14px;
}

.glossary-empty-state p {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text);
}

.glossary-empty-hint {
  font-size: 0.9rem;
  color: var(--muted) !important;
  line-height: 1.6;
}

/* ── Barra de estadísticas ── */
.glossary-stats-bar {
  margin-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  border-top: 1px solid var(--card-border);
  padding-top: 14px;
}

/* ── Dark mode del buscador ── */
body.dark-theme .glossary-search-box {
  box-shadow: 0 4px 20px rgba(15, 118, 110, 0.25);
}

body.dark-theme .glossary-char-pill {
  background: rgba(0,0,0,0.3) !important;
}

body.dark-theme .glossary-chip {
  background: rgba(15, 118, 110, 0.2);
  color: #5eead4;
  border-color: #0d9488;
}

body.dark-theme .glossary-chip:hover {
  background: var(--primary);
  color: white;
}

body.dark-theme .glossary-rule {
  background: rgba(217, 119, 6, 0.15);
}

body.dark-theme .glossary-example {
  background: rgba(22, 163, 74, 0.12);
}

body.dark-theme .glossary-subcategory {
  background: rgba(255,255,255,0.04);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .glossary-search-box {
    padding: 14px;
  }

  .glossary-input {
    font-size: 1rem;
  }

  .glossary-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* =========================================
   V8 · HOME REFINADA
========================================= */
body {
  background:
    radial-gradient(circle at 92% -10%, rgba(23, 107, 135, .13), transparent 26rem),
    var(--background);
}

.header {
  height: 82px;
  background: color-mix(in srgb, var(--card-bg) 92%, transparent);
  backdrop-filter: blur(14px);
}

.logo-icon {
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(23, 107, 135, .22);
}

.container { max-width: 1220px; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 285px;
  padding: 46px 48px;
  border: 0;
  background: linear-gradient(122deg, #123a5a 0%, #176b87 62%, #258b9d 100%);
  box-shadow: 0 20px 45px rgba(18, 58, 90, .18);
}

.hero::after {
  content: '';
  position: absolute;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 50%;
  right: -120px;
  top: -135px;
}

.hero-content { position: relative; z-index: 1; }
.hero .badge { background: rgba(255,255,255,.16); color: #fff; }
.hero h2, .hero p { color: #fff; }
.hero h2 { font-size: clamp(2rem, 4vw, 3.1rem); max-width: 700px; }
.hero h2 span { color: #b9f3ee; }
.hero p { max-width: 640px; color: rgba(255,255,255,.84); font-size: 1rem; }
.hero .primary-btn { background: #fff; color: var(--primary-dark); border-color: #fff; }
.hero .primary-btn:hover { background: #dff8f4; }
.hero-secondary-btn { background:rgba(255,255,255,.11); color:#fff; border-color:rgba(255,255,255,.5); }
.hero-secondary-btn:hover { background:rgba(255,255,255,.2); color:#fff; border-color:#fff; }

.hero-actions { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.text-action {
  appearance: none;
  background: transparent;
  color: #fff;
  font: inherit;
  font-weight: 700;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.6);
  cursor: pointer;
  padding: 8px 0 5px;
}

.iso-circle { position: relative; z-index: 1; box-shadow: 0 18px 40px rgba(0,0,0,.18); }

.home-section-heading { margin: 35px 0 16px; }
.home-section-heading span {
  color: var(--primary);
  font-size: .73rem;
  font-weight: 800;
  letter-spacing: .11em;
}
.home-section-heading h3 { margin-top: 2px; font-size: 1.55rem; }

.mode-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.mode-card {
  position: relative;
  min-height: 220px;
  padding: 23px;
  border: 1px solid var(--card-border);
  box-shadow: 0 8px 18px rgba(18, 48, 71, .035);
}
.mode-card::before {
  content: '';
  width: 32px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
  position: absolute;
  top: 0;
  left: 23px;
  opacity: 0;
  transition: opacity .18s;
}
.mode-card:hover { transform: translateY(-5px); box-shadow: 0 16px 28px rgba(18,48,71,.11); }
.mode-card:hover::before { opacity: 1; }
.mode-card.featured { background: linear-gradient(145deg, #fff, #eaf7f8); border-color: #a9d9df; }
.mode-card button { padding-top: 8px; }

body.dark-theme .hero { background: linear-gradient(122deg, #10283e, #124a61); }
body.dark-theme .mode-card.featured { background: linear-gradient(145deg, #1c2c34, #193b44); }

@media (max-width: 900px) {
  .mode-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .hero { padding: 32px 24px; }
  .hero-graphic { display: none; }
}

@media (max-width: 560px) {
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card { min-height: 0; }
}

/* V8 · ruta guiada y aprendizaje aplicado */
.learning-path-card { display:flex; justify-content:space-between; align-items:center; gap:24px; background:var(--card-bg); border:1px solid #b9dce4; border-left:5px solid var(--primary); padding:22px 26px; border-radius:16px; margin:0 0 30px; box-shadow:var(--shadow-sm); }
.learning-path-card h3 { font-size:1.2rem; margin:2px 0; }
.learning-path-card p { color:var(--muted); }
.eyebrow { color:var(--primary); font-weight:800; font-size:.72rem; letter-spacing:.1em; }
.mode-filters { display:flex; gap:8px; flex-wrap:wrap; margin:0 0 18px; }
.filter-btn { border:1px solid var(--card-border); color:var(--text); background:var(--card-bg); border-radius:99px; padding:8px 14px; cursor:pointer; font:inherit; font-weight:700; }
.filter-btn.active, .filter-btn:hover { background:var(--primary); color:#fff; border-color:var(--primary); }
.mode-card[hidden] { display:none; }
.learning-tools-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:14px; margin-bottom:32px; }
.learning-tool { text-align:left; border:1px solid var(--card-border); background:var(--card-bg); padding:20px; border-radius:14px; cursor:pointer; color:var(--heading); transition:transform .18s, border-color .18s; }
.learning-tool:hover { transform:translateY(-3px); border-color:var(--primary); }
.learning-tool b, .learning-tool span { display:block; }.learning-tool span { color:var(--muted); font-size:.9rem; margin-top:6px; }
.lab-hero,.lab-panel { background:var(--card-bg); border:1px solid var(--card-border); border-radius:20px; padding:32px; max-width:960px; margin:0 auto; }.lab-hero { background:linear-gradient(135deg,#123a5a,#176b87); color:#fff; }.lab-hero h2 { color:#fff; margin:8px 0; }.lab-hero p { color:#d8f2f4; }
.lab-nav { display:flex; justify-content:center; flex-wrap:wrap; gap:8px; margin:18px 0; }.lab-nav button { border:0; background:transparent; color:var(--primary); font:inherit; font-weight:800; cursor:pointer; padding:8px 12px; }
.compare-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:20px; }.compare-cards article { border-top:3px solid var(--primary); padding:18px; background:var(--background); border-radius:10px; }.compare-cards small { color:var(--muted); }
.lab-panel textarea { display:block; width:100%; min-height:100px; margin:8px 0 14px; padding:12px; font:inherit; border:1px solid var(--card-border); border-radius:10px; }.study-feedback { margin-top:16px; padding:16px; background:var(--success-light); border-radius:10px; color:var(--heading); }
.trace-table { display:grid; grid-template-columns:repeat(4,1fr); border:1px solid var(--card-border); border-radius:10px; overflow:hidden; margin:18px 0; }.trace-table div { padding:12px; border-right:1px solid var(--card-border); border-bottom:1px solid var(--card-border); }.trace-table div:nth-child(-n+4) { background:var(--primary); color:#fff; font-weight:800; }.muted-note { color:var(--muted); }.metric-list { display:grid; gap:10px; margin-top:18px; }.metric-list div { display:grid; grid-template-columns:220px 1fr; gap:12px; background:var(--background); padding:14px; border-radius:10px; }.metric-list span { color:var(--muted); }
@media (max-width:768px) { .learning-path-card { align-items:flex-start; flex-direction:column; }.learning-tools-grid { grid-template-columns:repeat(2,1fr); }.compare-cards { grid-template-columns:1fr; }.trace-table { grid-template-columns:1fr; }.trace-table div { border-right:0; }.trace-table div:nth-child(-n+4) { display:none; }.metric-list div { grid-template-columns:1fr; gap:4px; } }
@media (max-width:460px) { .learning-tools-grid { grid-template-columns:1fr; }.lab-hero,.lab-panel { padding:22px 16px; } }

/* Diagrama navegable del modelo ISO/IEC 25010 */
.blueprint-intro { text-align:center; max-width:640px; margin:0 auto 22px; }
.quality-blueprint { padding:28px; background:linear-gradient(145deg,#eef9fb 0%,#f8fcfd 52%,#edf5f8 100%); border:1px solid #d6eaef; border-radius:22px; }
.blueprint-root { width:min(100%, 430px); margin:0 auto 26px; padding:17px 22px; color:#fff; background:linear-gradient(135deg,#123a5a,#16758b); border-radius:16px; text-align:center; font-weight:800; font-size:1rem; letter-spacing:.07em; box-shadow:0 14px 26px rgba(18,58,90,.2); }
.blueprint-root::after { content:'8 características · 31 subcaracterísticas'; display:block; margin-top:5px; color:#c4f1f1; font-size:.72rem; font-weight:600; letter-spacing:.04em; }
.blueprint-line { display:none; }
.blueprint-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px; }
.blueprint-node { position:relative; display:flex; flex-direction:column; gap:8px; min-width:0; min-height:205px; padding:18px 16px 16px; background:rgba(255,255,255,.9); border:1px solid #cfe5eb; border-radius:14px; color:var(--heading); text-align:left; cursor:pointer; font:inherit; box-shadow:0 4px 12px rgba(18,58,90,.04); transition:transform .18s, box-shadow .18s, border-color .18s; }
.blueprint-node::before { content:''; width:36px; height:4px; background:var(--primary); border-radius:0 0 5px 5px; position:absolute; left:16px; top:0; }.blueprint-node:hover { transform:translateY(-5px); border-color:#72bbc7; box-shadow:0 14px 24px rgba(18,58,90,.13); }
.blueprint-icon { width:34px; height:34px; display:grid; place-items:center; background:var(--primary-light); border-radius:10px; font-size:1.15rem; }.blueprint-node strong { min-height:38px; font-size:.98rem; line-height:1.18; color:var(--primary-dark); }.blueprint-node ul { list-style:none; display:grid; gap:5px; padding:0; margin:3px 0 0; }.blueprint-node li { color:var(--text); font-size:.79rem; line-height:1.3; }.blueprint-node li::before { content:'•'; color:var(--secondary); font-weight:800; margin-right:5px; }
body.dark-theme .quality-blueprint { background:linear-gradient(145deg,#142d38,#172d38); border-color:#294b58; }.blueprint-node { background:var(--card-bg); }.blueprint-node strong { color:#8fdee1; }
@media (max-width:850px) { .blueprint-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:500px) { .quality-blueprint { padding:18px 14px; }.blueprint-root { font-size:.88rem; }.blueprint-grid { grid-template-columns:1fr; }.blueprint-node { min-height:0; }.blueprint-node strong { min-height:0; } }

/* Roadmap visual: progreso desde fundamentos hasta auditoría */
.iso-roadmap { position:relative; max-width:920px; margin:24px auto 0; padding:6px 0; display:grid; gap:14px; }
.iso-roadmap::before { content:''; position:absolute; left:50%; top:28px; bottom:32px; border-left:2px dashed #72b5c4; z-index:0; }
.roadmap-stage,.roadmap-branches { position:relative; z-index:1; display:flex; align-items:center; gap:16px; }.roadmap-stage { justify-content:center; }.roadmap-stage > span { width:126px; padding:9px 10px; border-radius:8px; background:#123a5a; color:#fff; font-weight:800; text-align:center; font-size:.76rem; letter-spacing:.06em; }.roadmap-stage button { width:min(100%, 365px); text-align:left; }.iso-roadmap button { border:1px solid #b9dce4; border-left:4px solid var(--primary); border-radius:10px; padding:13px 15px; color:var(--heading); background:var(--card-bg); box-shadow:0 5px 13px rgba(18,58,90,.06); font:inherit; font-weight:800; cursor:pointer; transition:transform .18s, box-shadow .18s; }.iso-roadmap button:hover { transform:translateY(-3px); box-shadow:0 11px 20px rgba(18,58,90,.13); }.iso-roadmap button small { display:block; margin-top:3px; color:var(--muted); font-weight:500; font-size:.78rem; }.roadmap-branches { justify-content:space-between; padding:0 calc(50% - 390px); }.roadmap-branches button { width:300px; text-align:left; }.roadmap-branches button:first-child { border-left-color:#e26436; }.roadmap-stage.finish > span { background:#176b87; }.roadmap-stage.finish button { border-left-color:#16a34a; }
body.dark-theme .iso-roadmap button { background:var(--card-bg); }.iso-roadmap::after { content:'Tu avance se guarda automáticamente'; position:relative; z-index:1; margin:4px auto 0; padding:6px 12px; border-radius:999px; background:var(--primary-light); color:var(--primary); font-size:.75rem; font-weight:700; }
@media (max-width:850px) { .roadmap-branches { padding:0 20px; gap:12px; }.roadmap-branches button { width:calc(50% - 6px); } }
@media (max-width:560px) { .iso-roadmap::before { left:18px; }.roadmap-stage,.roadmap-branches { align-items:stretch; flex-direction:column; padding-left:38px; }.roadmap-stage { justify-content:flex-start; }.roadmap-stage > span { width:auto; }.roadmap-stage button,.roadmap-branches button { width:100%; }.roadmap-branches { gap:10px; }.iso-roadmap::after { margin-left:38px; margin-right:0; text-align:center; } }

/* Composición visual refinada del roadmap */
.iso-roadmap { gap:12px; padding:12px 26px 18px; border-radius:20px; background:linear-gradient(90deg,rgba(23,107,135,.04),transparent 28%,transparent 72%,rgba(226,100,54,.04)); }
.iso-roadmap::before { border-left:2px solid rgba(23,107,135,.27); }.roadmap-stage { min-height:72px; }.roadmap-stage > span { position:relative; display:flex; flex-direction:column; justify-content:center; width:70px; height:70px; padding:0; border-radius:50%; box-shadow:0 7px 16px rgba(18,58,90,.16); font-size:1.25rem; letter-spacing:0; }.roadmap-stage > span small { font-size:.52rem; letter-spacing:.08em; }.roadmap-stage > span::after { content:''; position:absolute; left:calc(100% + 8px); width:34px; border-top:1px solid currentColor; opacity:.42; }
.roadmap-stage button { position:relative; width:min(100%,405px); padding:16px 18px 15px 52px; border-left-width:0; border-radius:14px; }.roadmap-stage button i,.roadmap-branches button i { position:absolute; left:16px; top:17px; width:25px; height:25px; display:grid; place-items:center; border-radius:8px; background:var(--primary-light); color:var(--primary-dark); font-style:normal; font-size:1rem; }.roadmap-stage button small,.roadmap-branches button small { margin-top:5px; }
.roadmap-branches { gap:22px; padding:0 calc(50% - 405px); }.roadmap-branches button { position:relative; width:315px; padding:14px 14px 13px 48px; border-left-width:0; border-radius:12px; background:rgba(255,255,255,.8); }.roadmap-branches button i { top:14px; left:14px; width:22px; height:22px; border-radius:7px; font-size:.82rem; }
.phase-base > span { background:linear-gradient(145deg,#123a5a,#176b87); }.phase-base button { border-top:3px solid #1b8496; }.phase-recognize > span { background:linear-gradient(145deg,#6b4c9a,#8966be); }.phase-recognize button { border-top:3px solid #8966be; }.phase-recognize button i { background:#f0e9fb; color:#6b4c9a; }.phase-apply > span { background:linear-gradient(145deg,#b94b2c,#e26436); }.phase-apply button { border-top:3px solid #e26436; }.phase-apply button i { background:#fff0e9; color:#b94b2c; }.phase-demonstrate > span { background:linear-gradient(145deg,#15704b,#22a369); }.phase-demonstrate button { border-top:3px solid #22a369; }.phase-demonstrate button i { background:#e5f7ec; color:#15704b; }
body.dark-theme .iso-roadmap { background:linear-gradient(90deg,rgba(23,107,135,.12),transparent 30%,transparent 70%,rgba(226,100,54,.09)); }.roadmap-branches button { background:var(--card-bg); }
@media (max-width:850px) { .iso-roadmap { padding:12px; }.roadmap-branches { padding:0 12px; gap:14px; }.roadmap-branches button { width:calc(50% - 7px); } }
@media (max-width:560px) { .iso-roadmap { padding:8px 0 14px; }.roadmap-stage,.roadmap-branches { padding-left:48px; }.roadmap-stage { flex-direction:row; align-items:center; }.roadmap-stage > span { flex:none; width:48px; height:48px; font-size:.9rem; }.roadmap-stage > span small { font-size:.42rem; }.roadmap-stage > span::after { display:none; }.roadmap-stage button { width:calc(100% - 60px); padding:13px 12px 12px 43px; }.roadmap-stage button i { left:12px; top:14px; width:22px; height:22px; font-size:.85rem; }.roadmap-branches { padding-left:48px; }.iso-roadmap::after { margin-left:48px; } }

/* Laboratorios: navegación y contenido de aprendizaje */
.lab-nav { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; max-width:960px; margin:14px auto 18px; padding:8px; background:var(--card-bg); border:1px solid var(--card-border); border-radius:16px; box-shadow:var(--shadow-sm); }.lab-nav button { display:flex; align-items:center; justify-content:center; gap:9px; padding:11px 9px; border:0; border-radius:10px; background:transparent; color:var(--muted); cursor:pointer; font:inherit; font-weight:800; }.lab-nav button i { width:28px; height:28px; display:grid; place-items:center; border-radius:8px; background:var(--background); color:var(--primary); font-style:normal; }.lab-nav button span { display:flex; flex-direction:column; text-align:left; line-height:1.1; }.lab-nav button small { margin-top:3px; font-size:.65rem; font-weight:600; color:var(--muted); }.lab-nav button.active { background:var(--primary); color:#fff; box-shadow:0 6px 12px rgba(23,107,135,.2); }.lab-nav button.active i { background:rgba(255,255,255,.18); color:#fff; }.lab-nav button.active small { color:#c6eef1; }
.lab-workspace { max-width:960px; }.lab-heading { margin-bottom:22px; }.lab-heading h2 { margin:4px 0 7px; font-size:1.8rem; }.lab-heading p { max-width:680px; color:var(--muted); }.lab-kicker { color:var(--primary); font-size:.72rem; font-weight:800; letter-spacing:.1em; }.compare-cards { grid-template-columns:repeat(3,1fr); }.compare-cards article { position:relative; padding:20px; border:1px solid var(--card-border); border-top:4px solid var(--primary); background:var(--background); }.compare-cards article span { display:grid; place-items:center; width:34px; height:34px; border-radius:10px; background:#fff; margin-bottom:10px; font-size:1.1rem; }.compare-cards article small { display:block; padding-top:10px; border-top:1px solid var(--card-border); }.decision-strip { display:flex; gap:10px; margin-top:16px; padding:14px 16px; border-radius:10px; background:var(--primary-light); color:var(--primary-dark); }
.audit-flow { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin:16px 0 20px; }.audit-flow div { position:relative; display:grid; gap:5px; padding:16px; border-radius:12px; background:var(--background); }.audit-flow i { width:25px; height:25px; display:grid; place-items:center; border-radius:50%; background:var(--primary); color:#fff; font-style:normal; font-size:.75rem; font-weight:800; }.audit-flow span { font-size:.86rem; color:var(--muted); }.trace-legend { display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }.trace-legend span { padding:7px 10px; border-radius:999px; background:var(--background); color:var(--muted); font-size:.75rem; font-weight:700; }.metric-list div { grid-template-columns:250px 1fr auto; align-items:center; }.metric-list em { padding:5px 8px; border-radius:7px; background:var(--primary-light); color:var(--primary-dark); font-size:.72rem; font-style:normal; font-weight:700; }
@media (max-width:700px) { .lab-nav { grid-template-columns:repeat(2,1fr); }.compare-cards,.audit-flow { grid-template-columns:1fr; }.metric-list div { grid-template-columns:1fr; }.decision-strip { flex-direction:column; gap:3px; } }
@media (max-width:420px) { .lab-nav { gap:5px; padding:5px; }.lab-nav button { padding:9px 5px; gap:5px; font-size:.82rem; }.lab-nav button i { width:23px; height:23px; }.lab-nav button small { display:none; } }

/* Casos de estudio QA */
.case-study-head { max-width:1080px; margin:0 auto; padding:28px 30px; color:#fff; background:linear-gradient(130deg,#123a5a,#176b87); border-radius:20px 20px 0 0; }.case-study-head h2 { color:#fff; margin:6px 0; }.case-study-head p { color:#d4f1f3; }.case-study-head .badge { background:rgba(255,255,255,.16); color:#fff; }.case-switcher { display:flex; gap:8px; flex-wrap:wrap; margin-top:18px; }.case-switcher button { border:1px solid rgba(255,255,255,.35); background:transparent; color:#fff; border-radius:99px; padding:7px 11px; cursor:pointer; font:inherit; font-size:.78rem; font-weight:700; }.case-switcher button.active { background:#fff; color:var(--primary-dark); }.case-instructions { max-width:1080px; margin:0 auto; display:flex; align-items:center; gap:12px; padding:14px 22px; background:var(--primary-light); color:var(--primary-dark); }.case-instructions span { flex:1; font-size:.9rem; }.case-instructions em { font-style:normal; font-size:.8rem; font-weight:700; white-space:nowrap; }.case-narrative { max-width:1080px; margin:20px auto; padding:28px; background:var(--card-bg); border:1px solid var(--card-border); border-radius:16px; }.case-narrative p + p { margin-top:12px; }.case-evidence { width:100%; border:0; border-left:3px solid transparent; border-radius:6px; padding:9px 12px; background:transparent; color:var(--text); cursor:pointer; text-align:left; font:inherit; line-height:1.65; transition:background .16s,border-color .16s; }.case-evidence:hover { background:var(--background); }.case-evidence.marked { background:#fff4b8; border-left-color:#e7a400; color:#3e3515; text-decoration:underline; text-decoration-color:#e7a400; text-decoration-thickness:2px; }.case-table-wrap { max-width:1080px; margin:0 auto; overflow-x:auto; border:1px solid var(--card-border); border-radius:16px; background:var(--card-bg); }.case-table { width:100%; min-width:950px; border-collapse:collapse; }.case-table th { padding:13px; background:#123a5a; color:#fff; text-align:left; font-size:.78rem; }.case-table td { padding:12px; border-bottom:1px solid var(--card-border); vertical-align:top; font-size:.84rem; }.case-table tr:last-child td { border-bottom:0; }.case-table td:nth-child(2) { min-width:230px; }.case-table select { width:100%; padding:8px; border:1px solid var(--card-border); border-radius:7px; color:var(--text); background:var(--card-bg); font:inherit; font-size:.78rem; }.case-table select.answer-ok { border-color:#23a36a; background:#e7f8ed; }.case-table select.answer-bad { border-color:#df694e; background:#fff0eb; }.case-row-ok { background:#f3fcf6; }.case-actions { max-width:1080px; margin:18px auto; display:flex; justify-content:flex-end; gap:10px; }.case-score { max-width:1080px; margin:0 auto 20px; display:flex; gap:14px; align-items:center; padding:16px 18px; border-radius:12px; background:var(--success-light); color:#185b39; }.case-score span { font-size:.9rem; }
@media (max-width:650px) { .case-study-head { padding:22px 18px; }.case-instructions { align-items:flex-start; flex-direction:column; padding:14px 18px; }.case-narrative { padding:16px 10px; }.case-actions { justify-content:stretch; flex-direction:column; }.case-actions button { justify-content:center; }.case-score { align-items:flex-start; flex-direction:column; gap:4px; } }

.lab-challenge,.metric-calculator { margin-top:22px; padding:20px; border:1px solid var(--card-border); border-radius:14px; background:var(--background); }.lab-challenge > span,.metric-calculator > span { color:var(--primary); font-size:.7rem; letter-spacing:.09em; font-weight:800; }.lab-challenge p { margin:7px 0 12px; color:var(--heading); font-weight:700; }.lab-challenge div { display:flex; flex-wrap:wrap; gap:8px; }.lab-challenge button { border:1px solid var(--card-border); border-radius:8px; padding:8px 11px; background:var(--card-bg); color:var(--text); font:inherit; font-size:.82rem; cursor:pointer; }.lab-challenge button.quiz-right { background:var(--success-light); border-color:var(--success); color:#166534; }.lab-challenge button.quiz-wrong { background:var(--danger-light); border-color:var(--danger); color:#991b1b; }.lab-challenge small { display:block; margin-top:10px; color:var(--muted); }.audit-form { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:12px 0; }.audit-form label,.metric-calculator label { display:grid; gap:5px; color:var(--heading); font-size:.8rem; font-weight:700; }.audit-form select,.metric-calculator input { padding:9px; border:1px solid var(--card-border); border-radius:8px; background:var(--card-bg); color:var(--text); font:inherit; }.metric-calculator { display:grid; grid-template-columns:1fr 1fr auto; gap:12px; align-items:end; }.metric-calculator h3 { grid-column:1/-1; margin:0; }.metric-calculator strong { grid-column:1/-1; color:var(--primary-dark); font-size:.88rem; }
@media (max-width:650px) { .audit-form,.metric-calculator { grid-template-columns:1fr; }.metric-calculator h3,.metric-calculator strong { grid-column:auto; } }

/* Accesos de aprendizaje profundo */
.learning-tools-grid { gap:16px; }.learning-tool { position:relative; min-height:205px; padding:20px; overflow:hidden; border:1px solid var(--card-border); border-radius:16px; background:var(--card-bg); box-shadow:0 6px 16px rgba(18,58,90,.045); }.learning-tool::after { content:''; position:absolute; width:112px; height:112px; right:-43px; bottom:-48px; border-radius:50%; background:var(--tool-tint); opacity:.75; }.learning-tool i { position:relative; z-index:1; display:grid; place-items:center; width:39px; height:39px; margin-bottom:14px; border-radius:11px; background:var(--tool-tint); color:var(--tool-color); font-size:1.15rem; font-style:normal; }.learning-tool em,.learning-tool b,.learning-tool span,.learning-tool small { position:relative; z-index:1; }.learning-tool em { display:block; color:var(--tool-color); font-size:.65rem; font-style:normal; font-weight:800; letter-spacing:.1em; }.learning-tool b { margin-top:4px; font-size:1.05rem; }.learning-tool span { line-height:1.35; }.learning-tool small { margin-top:auto; padding-top:12px; color:var(--tool-color); font-size:.76rem; font-weight:800; }.learning-tool:hover { transform:translateY(-5px); border-color:var(--tool-color); box-shadow:0 16px 25px rgba(18,58,90,.12); }.tool-compare { --tool-color:#176b87; --tool-tint:#dceff5; }.tool-audit { --tool-color:#7c4f9e; --tool-tint:#f1e8fa; }.tool-trace { --tool-color:#c15b31; --tool-tint:#fff0e8; }.tool-metrics { --tool-color:#18794e; --tool-tint:#e2f6e9; }
body.dark-theme .learning-tool { background:var(--card-bg); }.learning-tool:hover::after { opacity:1; }
@media (max-width:700px) { .learning-tools-grid { grid-template-columns:repeat(2,1fr); }.learning-tool { min-height:190px; } }

/* Evidencias precisas: se subrayan fragmentos, no párrafos completos */
.case-narrative .case-evidence { display:inline; width:auto; border:0; border-radius:4px; padding:1px 3px; margin:0 1px; background:rgba(23,107,135,.08); color:var(--primary-dark); cursor:pointer; text-align:left; font:inherit; font-weight:700; line-height:inherit; transition:background .16s,color .16s; }
.case-narrative .case-evidence:hover { background:var(--primary-light); }
.case-narrative .case-evidence.marked { background:#fff0a8; color:#4c3c00; text-decoration:underline; text-decoration-color:#db9e00; text-decoration-thickness:2px; text-underline-offset:3px; }